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Commit Graph

Author	SHA1	Message	Date
Eric Fiselier	833d644ed1	[libc++] Fix and document visibility attributes for Clang, GCC and Windows. Summary: This patch fixes a number of problems with the visibility macros across GCC (on Unix) and Windows (DLL import/export semantics). All of the visibility macros are now documented under `DesignDocs/VisibilityMacros.rst`. Now I'll no longer forget the subtleties of each! This patch adds two new visibility macros: * `_LIBCPP_ENUM_VIS` for controlling the typeinfo of enum types. Only Clang supports this. * `_LIBCPP_EXTERN_TEMPLATE_TYPE_VIS` for redefining visibility on explicit instantiation declarations. Clang and Windows require this. After applying this patch GCC only emits one -Wattribute warning opposed to 30+. Reviewers: mclow.lists, EricWF Subscribers: beanz, mgorny, cfe-commits Differential Revision: https://reviews.llvm.org/D24602 git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@281673 91177308-0d34-0410-b5e6-96231b3b80d8	2016-09-15 22:27:07 +00:00
Marshall Clow	e6521d677b	Add a bunch of noexcepts to char_traits and string_view. git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@276955 91177308-0d34-0410-b5e6-96231b3b80d8	2016-07-28 04:52:02 +00:00
Marshall Clow	1e00d6db31	Implement std::string_view as described in http://wg21.link/P0254R1 . Reviewed as https://reviews.llvm.org/D21459 git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@276238 91177308-0d34-0410-b5e6-96231b3b80d8	2016-07-21 05:31:24 +00:00

Author

SHA1

Message

Date

Eric Fiselier

833d644ed1

[libc++] Fix and document visibility attributes for Clang, GCC and Windows.

Summary:
This patch fixes a number of problems with the visibility macros across GCC (on Unix) and Windows (DLL import/export semantics). All of the visibility macros are now documented under `DesignDocs/VisibilityMacros.rst`. Now I'll no longer forget the subtleties of each!

This patch adds two new visibility macros:

* `_LIBCPP_ENUM_VIS` for controlling the typeinfo of enum types. Only Clang supports this.
* `_LIBCPP_EXTERN_TEMPLATE_TYPE_VIS` for redefining visibility on explicit instantiation declarations. Clang and Windows require this.

After applying this patch GCC only emits one -Wattribute warning opposed to 30+.


Reviewers: mclow.lists, EricWF

Subscribers: beanz, mgorny, cfe-commits

Differential Revision: https://reviews.llvm.org/D24602

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@281673 91177308-0d34-0410-b5e6-96231b3b80d8

2016-09-15 22:27:07 +00:00

Marshall Clow

e6521d677b

Add a bunch of noexcepts to char_traits and string_view.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@276955 91177308-0d34-0410-b5e6-96231b3b80d8

2016-07-28 04:52:02 +00:00

Marshall Clow

1e00d6db31

Implement std::string_view as described in http://wg21.link/P0254R1 . Reviewed as https://reviews.llvm.org/D21459

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@276238 91177308-0d34-0410-b5e6-96231b3b80d8

2016-07-21 05:31:24 +00:00

3 Commits